import { Injectable } from '@angular/core';
import { Http, Headers } from "@angular/http";
import { Setofkey } from "../entity/setofkey.model";

import { Subject } from "rxjs/Subject";
import { Observable } from "rxjs/Observable";
import { Subscription } from "rxjs/Subscription";

import 'rxjs/add/operator/toPromise';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/distinctUntilChanged';
import { AppConfig } from "../config";
import { InterceptorService } from '../service/interceptor/interceptor-service';


@Injectable()
export class SetofkeyService {
  private param = "dicKeys";
  private get url(): string {
    return `${AppConfig.APP_RESTFUL}/${this.param}`;
  }

  constructor(private http: InterceptorService) {
  }

  getSetofkeys(): Promise<Setofkey[]> {
    return this.http.get(this.url)
      .toPromise()
      .then(response => response.json().data as Setofkey[])
      .catch(this.handleError);
  }
  getSetofkeyById(id: number): Promise<Setofkey> {
    const url = `${this.url}/${id}`;
    return this.http.get(url)
      .toPromise()
      .then(response => response.json().data as Setofkey)
      .catch(this.handleError);
  }
  hasSetofkeyByKeyCode(keyCode: string, keyId: number): Observable<boolean> {
    const url = `${this.url}/keyCode/${keyCode}/keyId/${keyId}`;
    return this.http.get(url).map(response => {
      let code = response.json().code;
      switch (code) {
        case "3001":
          return true;
        case "3002":
          return false;
      }

    }).catch(this.handleError);
  }
  create(setofkey: Setofkey): Promise<Setofkey> {
    return this.http
      .post(this.url, JSON.stringify(setofkey))
      .toPromise()
      .then(res => res.json().data as Setofkey)
      .catch(this.handleError);
  }
  update(setofkey: Setofkey): Promise<Setofkey> {
    const url = `${this.url}`;
    return this.http
      .put(url, JSON.stringify(setofkey))
      .toPromise()
      .then(() => setofkey)
      .catch(this.handleError);
  }
  delete(id: number): Promise<void> {
    const url = `${this.url}/${id}`;
    return this.http.delete(url)
      .toPromise()
      .then(() => null)
      .catch(this.handleError);
  }
  batchDelete(keyIds: number[]): Promise<boolean> {
    const apiUrl = `${this.url}?items=${keyIds}`;
    return this.http.delete(apiUrl)
      .toPromise()
      .then(response => {
        try {
          let result = response.json();
          switch (result.code) {
            case "200":
              return true;
            case "-1":
              throw new Error(result.message);
          }
        }
        catch (error) {
          throw error;
        }

      })
      .catch(this.handleError);
  }
  // search(term: string): Observable<Setofkey[]> {
  //   return this.http
  //     .get(`app/setofkeys/?name=${term}`)
  //     .map(response => response.json().data as Setofkey[]);
  // }
  private handleError(error: any): Promise<any> {
    // console.error('An error occurred', error); // for demo purposes only
    return Promise.reject(error.message || error);
  }






}



// WEBPACK FOOTER //
// ./src/app/service/setofkey.service.ts